Tank for a backpack sprayer



FIG. 1 is a front elevational of a tank for a backpack sprayer inaccordance with my design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left side view thereof

FIG. 6 is a right side view thereof; and,

FIG. 7 is a perspective view looking downwardly from the right towardthe front.

The dashed lines in figures below the bottom of the tank shown form nopart of the claimed design.

CLAIM The ornamental design for a tank for a backpack sprayer, as shown and described. 